//
// Created by 吴锐 on 2022/2/23.
//

#include<iostream>

using namespace std;

class C1 {
    int m_A;
};

struct C2 {
    int m_A;
};

int main(){

    C1 c1;
//    c1.m_A;

//    C2* c2;
//    c2->m_A;

    C2 c2;
    c2.m_A;
    return 0;
}